--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6783291252 dns-udp-queries-received-ipv6: 2065222873 dns-tcp-queries-received-ipv4: 339444513 dns-tcp-queries-received-ipv6: 175008639 dns-udp-responses-sent-ipv4: 6340122165 dns-udp-responses-sent-ipv6: 1995465296 dns-tcp-responses-sent-ipv4: 239997513 dns-tcp-responses-sent-ipv6: 149452233